IM
1133-C
DIII-NET COMMUNICATION GATEWAY
6
www.DaikinApplied.com
NOTICE
This equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with this instruction manual, may cause interference to radio communications.
It has been tested and found to comply with the limits for a Class A digital device, pursuant to part
15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his or her own expense.
Daikin disclaims any liability
resulting from any interference or for the correction thereof.
!
WARNING
Electric shock hazard. Can cause personal injury or equipment damage.
This equipment has exposed electrical connections inside DIII-Net Communication Gateway.
Only personnel that are knowledgeable in the operation of this equipment must perform
connections and service to the DIII-NET-Net Communication Gateway.
Description
The DIII-NET Communication Gateway allows communication between the MicroTech III unit controller and the Daikin
variable air volume (VRV) DIII network via a Modbus
®
communication Gateway (DIII-NET Communication Gateway).
Figure 1, Maverick II Rooftop Unit
Application
The MicroTech III controller will act as a Modbus master device communicating with the DIII-NET Communication Gateway
acting as a Modbus slave device. The DIII-NET Communication Gateway will translate the Modbus point information into the
DIII-NET protocol and vice-versa.